import Vue from 'vue'
import Router from 'vue-router'
import Login from './components/Login.vue'
import Home from './components/home.vue'
import Welcom from './components/welcome.vue'
import Users from './components/user/users.vue'
import Rights from './components/Power/rights.vue'
import Roles from './components/Power/roles.vue'
import Cate from './components/goods/cate.vue'
import Params from './components/goods/params.vue'
import List from './components/goods/list.vue'
import Add from './components/goods/add.vue'
import Order from './components/orders/order.vue'
import Report from './components/report/report.vue'
Vue.use(Router)

const router = new Router({
  routes: [{
    path: '/',
    redirect: '/login'
  },
  {
    path: '/login',
    component: Login
  },
  {
    path: '/home',
    component: Home,
    redirect: '/welcome',
    children: [{
      path: '/welcome',
      component: Welcom
    }, {
      path: '/users',
      component: Users
    }, {
      path: '/rights',
      component: Rights
    }, {
      path: '/roles',
      component: Roles
    }, {
      path: '/categories',
      component: Cate
    }, {
      path: '/params',
      component: Params
    }, {
      path: '/goods',
      component: List
    }, {
      path: '/goods/add',
      component: Add
    }, {
      path: '/orders',
      component: Order
    }, {
      path: '/reports',
      component: Report
    }]
  }
  ]
})

router.beforeEach((to, from, next) => {
  // to 表示将要访问的地址
  // from 表示从哪个页面路径跳转过来的
  // next 放行   next('/login') 强行跳转到登录页
  if (to.path === '/login') return next()
  // 获取token
  const tokenStr = window.sessionStorage.getItem('token')
  if (!tokenStr) return next('/login')
  next()
})

export default router
